ICD Updates

CMS releases a new ICD-10-CM code set every year, effective for dates of service on and after October 1. Canvas loads each one into diagnosis search. Each year’s changes are listed below, newest first, from the CMS ICD-10 release.

2027 #

The 2027 ICD-10-CM code set takes effect for dates of service on and after October 1, 2026. Diagnosis search now includes 190 new codes, no longer includes 30 retired codes, and shows updated descriptions for 4 codes.

New codes #

CodeDescription
C78.31Secondary malignant neoplasm of larynx
C78.32Secondary malignant neoplasm of pharynx
C79.83Secondary malignant neoplasm of oral cavity
D69.11Glanzmann thrombasthenia
D69.19Other qualitative platelet defects
E89.830Post bariatric hypoglycemia
E89.838Other postprocedural hypoglycemia
F64.AGender identity disorder, in remission
I42.00Dilated cardiomyopathy, unspecified
I42.01Familial-genetic dilated cardiomyopathy
I42.09Other dilated cardiomyopathy
I42.81Arrhythmogenic cardiomyopathy
I42.89Other cardiomyopathies not elsewhere classified
I47.22Catecholaminergic polymorphic ventricular tachycardia [CPVT]
I49.81Brugada syndrome
I49.82Ventricular bigeminy
I49.89Other specified cardiac arrhythmias not elsewhere classified
J34.830Odontogenic sinusitis, maxillary sinus
J34.831Odontogenic sinusitis, ethmoid sinus
J34.832Odontogenic sinusitis, frontal sinus
J34.833Odontogenic sinusitis, sphenoid sinus
J34.839Odontogenic sinusitis, unspecified
J4BPulmonary mycetoma
K31.BHypertrophic pyloric stenosis, in childhood
K6A.01Prevesical abscess
K6A.09Other pelvic abscess
K6A.8Other diseases of the pelvis, not elsewhere classified
K74.0AHepatic fibrosis, moderate fibrosis
K76.83Intestinal failure-associated liver disease
L02.237Carbuncle of flank
M04.3VEXAS syndrome
M67.A01Plantar fasciitis, right foot
M67.A02Plantar fasciitis, left foot
M67.A09Plantar fasciitis, unspecified foot
M72.20Plantar fascial fibromatosis, unspecified foot
M72.21Plantar fascial fibromatosis, right foot
M72.22Plantar fascial fibromatosis, left foot
M86.8X11Other osteomyelitis, right shoulder
M86.8X12Other osteomyelitis, left shoulder
M86.8X19Other osteomyelitis, unspecified shoulder
M86.8X21Other osteomyelitis, right upper arm
M86.8X22Other osteomyelitis, left upper arm
M86.8X29Other osteomyelitis, unspecified upper arm
M86.8X31Other osteomyelitis, right forearm
M86.8X32Other osteomyelitis, left forearm
M86.8X39Other osteomyelitis, unspecified forearm
M86.8X41Other osteomyelitis, right hand
M86.8X42Other osteomyelitis, left hand
M86.8X49Other osteomyelitis, unspecified hand
M86.8X51Other osteomyelitis, right thigh
M86.8X52Other osteomyelitis, left thigh
M86.8X59Other osteomyelitis, unspecified thigh
M86.8X61Other osteomyelitis, right lower leg
M86.8X62Other osteomyelitis, left lower leg
M86.8X69Other osteomyelitis, unspecified lower leg
M86.8X71Other osteomyelitis, right ankle and foot
M86.8X72Other osteomyelitis, left ankle and foot
M86.8X79Other osteomyelitis, unspecified ankle and foot
M86.8X80Other osteomyelitis, skull
M86.8X81Other osteomyelitis, face and sinuses
M86.8X89Other osteomyelitis, other site
N99.860Intraoperative and postprocedural nipple ischemia
N99.861Intraoperative and postprocedural nipple necrosis
O00.121Right interstitial ectopic pregnancy without intrauterine pregnancy
O00.122Left interstitial ectopic pregnancy without intrauterine pregnancy
O00.129Unspecified interstitial ectopic pregnancy without intrauterine pregnancy
O00.131Right interstitial ectopic pregnancy with intrauterine pregnancy
O00.132Left interstitial ectopic pregnancy with intrauterine pregnancy
O00.139Unspecified interstitial ectopic pregnancy with intrauterine pregnancy
O00.31Cesarean scar ectopic pregnancy without intrauterine pregnancy
O00.32Cesarean scar ectopic pregnancy with intrauterine pregnancy
O00.41Cervical ectopic pregnancy without intrauterine pregnancy
O00.42Cervical ectopic pregnancy with intrauterine pregnancy
O00.511Right cornual ectopic pregnancy without intrauterine pregnancy
O00.512Left cornual ectopic pregnancy without intrauterine pregnancy
O00.519Unspecified cornual ectopic pregnancy without intrauterine pregnancy
O00.521Right cornual ectopic pregnancy with intrauterine pregnancy
O00.522Left cornual ectopic pregnancy with intrauterine pregnancy
O00.529Unspecified cornual ectopic pregnancy with intrauterine pregnancy
O31.40X0Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, not applicable or unspecified
O31.40X1Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, fetus 1
O31.40X2Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, fetus 2
O31.40X3Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, fetus 3
O31.40X4Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, fetus 4
O31.40X5Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, fetus 5
O31.40X9Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, other fetus
O31.41X0Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, not applicable or unspecified
O31.41X1Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 1
O31.41X2Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 2
O31.41X3Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 3
O31.41X4Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 4
O31.41X5Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 5
O31.41X9Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, other fetus
O31.42X0Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, not applicable or unspecified
O31.42X1Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 1
O31.42X2Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 2
O31.42X3Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 3
O31.42X4Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 4
O31.42X5Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 5
O31.42X9Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, other fetus
O31.43X0Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, not applicable or unspecified
O31.43X1Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 1
O31.43X2Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 2
O31.43X3Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 3
O31.43X4Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 4
O31.43X5Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 5
O31.43X9Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, other fetus
Q87.ALoeys-Dietz syndrome
QA1.71Lynch syndrome
QA1.790Familial cancer syndrome with pathogenic BRCA1 mutation
QA1.791Familial cancer syndrome with pathogenic BRCA2 mutation
QA1.792Li Fraumeni syndrome
QA1.798Other inherited neoplasm predisposition syndrome of multiple systems
R78.72Abnormal gadolinium level in blood
T52.811AToxic effect of alkenes, accidental (unintentional), initial encounter
T52.811DToxic effect of alkenes, accidental (unintentional), subsequent encounter
T52.811SToxic effect of alkenes, accidental (unintentional), sequela
T52.812AToxic effect of alkenes, intentional self-harm, initial encounter
T52.812DToxic effect of alkenes, intentional self-harm, subsequent encounter
T52.812SToxic effect of alkenes, intentional self-harm, sequela
T52.813AToxic effect of alkenes, assault, initial encounter
T52.813DToxic effect of alkenes, assault, subsequent encounter
T52.813SToxic effect of alkenes, assault, sequela
T52.814AToxic effect of alkenes, undetermined, initial encounter
T52.814DToxic effect of alkenes, undetermined, subsequent encounter
T52.814SToxic effect of alkenes, undetermined, sequela
T52.821AToxic effect of cycloparaffins, accidental (unintentional), initial encounter
T52.821DToxic effect of cycloparaffins, accidental (unintentional), subsequent encounter
T52.821SToxic effect of cycloparaffins, accidental (unintentional), sequela
T52.822AToxic effect of cycloparaffins, intentional self-harm, initial encounter
T52.822DToxic effect of cycloparaffins, intentional self-harm, subsequent encounter
T52.822SToxic effect of cycloparaffins, intentional self-harm, sequela
T52.823AToxic effect of cycloparaffins, assault, initial encounter
T52.823DToxic effect of cycloparaffins, assault, subsequent encounter
T52.823SToxic effect of cycloparaffins, assault, sequela
T52.824AToxic effect of cycloparaffins, undetermined, initial encounter
T52.824DToxic effect of cycloparaffins, undetermined, subsequent encounter
T52.824SToxic effect of cycloparaffins, undetermined, sequela
T52.891AToxic effect of other organic solvents, accidental (unintentional), initial encounter
T52.891DToxic effect of other organic solvents, accidental (unintentional), subsequent encounter
T52.891SToxic effect of other organic solvents, accidental (unintentional), sequela
T52.892AToxic effect of other organic solvents, intentional self-harm, initial encounter
T52.892DToxic effect of other organic solvents, intentional self-harm, subsequent encounter
T52.892SToxic effect of other organic solvents, intentional self-harm, sequela
T52.893AToxic effect of other organic solvents, assault, initial encounter
T52.893DToxic effect of other organic solvents, assault, subsequent encounter
T52.893SToxic effect of other organic solvents, assault, sequela
T52.894AToxic effect of other organic solvents, undetermined, initial encounter
T52.894DToxic effect of other organic solvents, undetermined, subsequent encounter
T52.894SToxic effect of other organic solvents, undetermined, sequela
T59.821AToxic effect of hexamethylene diisocyanate, accidental (unintentional), initial encounter
T59.821DToxic effect of hexamethylene diisocyanate, accidental (unintentional), subsequent encounter
T59.821SToxic effect of hexamethylene diisocyanate, accidental (unintentional), sequela
T59.822AToxic effect of hexamethylene diisocyanate, intentional self-harm, initial encounter
T59.822DToxic effect of hexamethylene diisocyanate, intentional self-harm, subsequent encounter
T59.822SToxic effect of hexamethylene diisocyanate, intentional self-harm, sequela
T59.823AToxic effect of hexamethylene diisocyanate, assault, initial encounter
T59.823DToxic effect of hexamethylene diisocyanate, assault, subsequent encounter
T59.823SToxic effect of hexamethylene diisocyanate, assault, sequela
T59.824AToxic effect of hexamethylene diisocyanate, undetermined, initial encounter
T59.824DToxic effect of hexamethylene diisocyanate, undetermined, subsequent encounter
T59.824SToxic effect of hexamethylene diisocyanate, undetermined, sequela
T65.851AToxic effect of medetomidine, accidental (unintentional), initial encounter
T65.851DToxic effect of medetomidine, accidental (unintentional), subsequent encounter
T65.851SToxic effect of medetomidine, accidental (unintentional), sequela
T65.852AToxic effect of medetomidine, intentional self-harm, initial encounter
T65.852DToxic effect of medetomidine, intentional self-harm, subsequent encounter
T65.852SToxic effect of medetomidine, intentional self-harm, sequela
T65.853AToxic effect of medetomidine, assault, initial encounter
T65.853DToxic effect of medetomidine, assault, subsequent encounter
T65.853SToxic effect of medetomidine, assault, sequela
T65.854AToxic effect of medetomidine, undetermined, initial encounter
T65.854DToxic effect of medetomidine, undetermined, subsequent encounter
T65.854SToxic effect of medetomidine, undetermined, sequela
Z68.18Body mass index [BMI] 18.4 or less, adult
Z68.19Body mass index [BMI] 18.5-19.9, adult
Z77.013Contact with and (suspected) exposure to gadolinium
Z77.32Contact with and (suspected) exposure to burn pits in war theater
Z77.33Contact with and (suspected) exposure to Agent Orange
Z77.40Contact with and (suspected) exposure to unspecified blast overpressure
Z77.41Contact with and (suspected) exposure to low-level blast overpressure
Z77.42Contact with and (suspected) exposure to high-level blast overpressure
Z77.49Contact with and (suspected) exposure to other blast overpressure
Z86.17Personal history of Clostridioides difficile infection
Z87.8901Personal history of social gender transition
Z87.8902Personal history of medical gender transition
Z87.8903Personal history of surgical gender transition
Z87.8904Personal history of intersex surgery
Z87.8909Personal history of unspecified gender transition
Z87.893Personal history of gender detransition

Retired codes #

Diagnosis search for a date on or after October 1, 2026, such as a note date or claim service date, does not return retired codes. Search for an earlier date still returns them, and diagnoses already recorded with a retired code keep it.

CodeDescription
D69.1Qualitative platelet defects
I42.0Dilated cardiomyopathy
I42.8Other cardiomyopathies
I49.8Other specified cardiac arrhythmias
M72.2Plantar fascial fibromatosis
M86.8X1Other osteomyelitis, shoulder
M86.8X2Other osteomyelitis, upper arm
M86.8X3Other osteomyelitis, forearm
M86.8X4Other osteomyelitis, hand
M86.8X5Other osteomyelitis, thigh
M86.8X6Other osteomyelitis, lower leg
M86.8X7Other osteomyelitis, ankle and foot
M86.8X8Other osteomyelitis, other site
S23.420ASprain of sternoclavicular (joint) (ligament), initial encounter
S23.420DSprain of sternoclavicular (joint) (ligament), subsequent encounter
S23.420SSprain of sternoclavicular (joint) (ligament), sequela
T52.8X1AToxic effect of other organic solvents, accidental (unintentional), initial encounter
T52.8X1DToxic effect of other organic solvents, accidental (unintentional), subsequent encounter
T52.8X1SToxic effect of other organic solvents, accidental (unintentional), sequela
T52.8X2AToxic effect of other organic solvents, intentional self-harm, initial encounter
T52.8X2DToxic effect of other organic solvents, intentional self-harm, subsequent encounter
T52.8X2SToxic effect of other organic solvents, intentional self-harm, sequela
T52.8X3AToxic effect of other organic solvents, assault, initial encounter
T52.8X3DToxic effect of other organic solvents, assault, subsequent encounter
T52.8X3SToxic effect of other organic solvents, assault, sequela
T52.8X4AToxic effect of other organic solvents, undetermined, initial encounter
T52.8X4DToxic effect of other organic solvents, undetermined, subsequent encounter
T52.8X4SToxic effect of other organic solvents, undetermined, sequela
Z68.1Body mass index [BMI] 19.9 or less, adult
Z87.890Personal history of sex reassignment

Updated descriptions #

CodePrevious descriptionNew description
L02.232Carbuncle of back [any part, except buttock]Carbuncle of back [any part, except buttock and flank]
L03.312Cellulitis of back [any part except buttock]Cellulitis of back [any part except buttock and flank]
L03.322Acute lymphangitis of back [any part except buttock]Acute lymphangitis of back [any part except buttock and flank]
Z29.14Encounter for prophylactic rabies immune globinEncounter for prophylactic rabies immune globulin